Insulating wall tie for concrete sandwich walls



FIG. 1 is a perspective view of an insulating wall tie for concrete sandwich walls showing our design;

FIG. 2 is a top plan view thereof, the bottom plan view appearing the same;

FIG. 3 is a front elevational view thereof;

FIG. 4 is an end elevational view thereof, as seen from the left end of FIG. 3; and,

FIG. 5 is a right end elevational view thereof. 

The ornamental design for an insulating wall tie for concrete sandwich walls, as shown and described. 